Power Management........................................................................................................................................................ 22
Normal Operation Mode ................................................................................................................................................. 22
Energy Detect Mode ....................................................................................................................................................... 22
Soft Power Down Mode .................................................................................................................................................. 23
Power Saving Mode........................................................................................................................................................ 23
Power Down ................................................................................................................................................................... 23
Detection of Energy ........................................................................................................................................................ 23
Detection of Linkup ......................................................................................................................................................... 24
MDI/MDI-X Auto Crossover ............................................................................................................................................ 25
Auto Negotiation ............................................................................................................................................................. 27
Inter Packet Gap (IPG) ................................................................................................................................................... 29
Late Collision .................................................................................................................................................................. 29
Address Filtering Function .............................................................................................................................................. 30
Bus Interface Unit (BIU)......................................................................................................................................................
Physical Data Bus Size .................................................................................................................................................. 31
Little and Big Endian Support ......................................................................................................................................... 32
Internal I/O Registers Space Mapping............................................................................................................................ 43
Register Map: MAC, PHY and QMU...................................................................................................................................
49
Bit Type Definition........................................................................................................................................................... 49
Bus Error Status Register (0x06 – 0x07): BESR............................................................................................................ 49
On-Chip Bus Control Register (0x20 – 0x21): OBCR .................................................................................................... 51
EEPROM Control Register (0x22 – 0x23): EEPCR ....................................................................................................... 51
Memory BIST Info Register (0x24 – 0x25): MBIR .......................................................................................................... 52
Global Reset Register (0x26 – 0x27): GRR ................................................................................................................... 52
[i=s] This post was last edited by dontium on 2015-1-23 11:43 [/i]When I participated in the electronics competition, I did the 2009 competition topic during training - broadband DC amplification, fro...
[i=s]This post was last edited by gxp790953623 on 2015-12-4 18:16[/i] A simple MCU circuit, board 1 and board 2 are interconnected through the socket, and the MCU main program loops through P2.5 to de...
Let's briefly test the switching frequency of the photorelay. When using a 1-10hz square wave input, the response is normal, and the output waveform is approximately the same waveform. The larger the ...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
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1. Overview
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1. Project Introduction
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Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
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0 Introduction
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Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
FPGA/CPLD
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